B1258 Code - Solar Radiation Sensor Circuit Failure
Quick Answer
Under normal operation, the solar radiation sensor receives a ground through the circuit. Common causes include Faulty Solar Radiation Sensor, Solar Radiation Sensor harness is open or shorted, Solar Radiation Sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B1258 indicates Solar Radiation Sensor Circuit Failure.
- Common causes
- Common causes include Faulty Solar Radiation Sensor, Solar Radiation Sensor harness is open or shorted, Solar Radiation Sensor circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B1258 Description
What are the Possible Causes of the DTC B1258?
- Faulty Solar Radiation Sensor
- Solar Radiation Sensor harness is open or shorted
- Solar Radiation Sensor circuit poor electrical connection
- Faulty Electronic Automatic Temperature Control (EATC) Module
How to Fix the DTC B1258?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1258 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the B1258 code?
Need more information on how to fix the B1258 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1258 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B1258 Buick — Solar Radiation Sensor Circuit Failure
- B1258 Cadillac — Solar Radiation Sensor Circuit Failure
- B1258 Chevrolet — Solar Radiation Sensor Circuit Failure
- B1258 Ford — Solar Radiation Sensor Circuit Failure
- B1258 GMC — Solar Radiation Sensor Circuit Failure
- B1258 Lincoln — Solar Radiation Sensor Circuit Failure
- B1258 Mercury — Solar Radiation Sensor Circuit Failure
Frequently Asked Questions about B1258 Code
1. What does the OBDII code B1258 mean?
The B1258 code indicates a failure in the solar radiation sensor circuit, which monitors sunlight levels for climate control or other vehicle systems.
2. What are the common symptoms of a B1258 code?
Symptoms may include inaccurate climate control performance, issues with automatic temperature adjustments, or a malfunction indicator light on the dash.
3. What causes the B1258 code to appear?
Common causes include a faulty solar radiation sensor, damaged or corroded wiring, poor electrical connections, or a failure in the climate control module.
4. How can I diagnose a B1258 code?
Diagnosis typically involves checking the solar radiation sensor, inspecting the wiring and connectors for damage, and testing the circuit with a multimeter to confirm proper voltage and continuity.
5. Can a B1258 code affect vehicle performance?
This code typically does not affect engine or drivetrain performance but may impact the functionality of the climate control system.
6. How do I fix the B1258 code?
Repairs could include replacing the solar radiation sensor, repairing or replacing damaged wiring, or addressing faulty connectors in the circuit.
7. Is it safe to drive with a B1258 code?
Yes, the vehicle is safe to drive, but the climate control system may not function correctly, which could lead to discomfort in extreme weather.
8. How much does it cost to fix a B1258 code?
The cost varies depending on the issue but typically ranges from $50 to $200 for part replacement and labor.
9. Do I need special tools to fix a B1258 code?
Basic tools like a multimeter and screwdrivers may be sufficient, but advanced diagnostic equipment may be needed for thorough troubleshooting.
10. Can I clear the B1258 code without fixing the issue?
Clearing the code without addressing the root cause will likely result in the code reappearing after a short period.
Discuss the causes and fixes for B1258 OBDII Code
Code B1258 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
